Seals are marine mammals. They are semiaquatic, which means they live both in the sea and on land. There are eighteen species of seals in the world, though only two of those species live in the Netherlands. Everything you would want to learn about the body and health of seals, the seal family, their history and the history of seals in the Netherlands can be found here.
Seal family
Seals belong to the order Carnivora, a group of mammals that kill and eat other animals to survive. There are 19 different seal species and they belong to one large family: Phocidae.